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埋藏式钢管与围岩联合承载研究
Title:StudyonCombinedLoad-BearingMechanismofBuriedSteelPipeandSurroundingRock
Abstract:
Theaimofthisstudyistoinvestigatethecombinedload-bearingmechanismofburiedsteelpipesandsurroundingrock.Buriedsteelpipesarecommonlyusedinvariousindustries,includingtransportation,watersupply,andenergytransmission.Understandingtheinteractionbetweenthepipesandsurroundingrockiscrucialforensuringtheirstabilityandlong-termperformance.Thispaperreviewspreviousresearchonthesubject,discussesthefactorsinfluencingtheload-bearingcapacity,andproposesfutureresearchdirections.
1.Introduction:
Buriedsteelpipesarewidelyusedduetotheirhighstrength,durability,andcost-effectiveness.However,theload-bearingcapacityofthesepipesisnotsolelydeterminedbytheirownpropertiesbutalsobytheinteractionbetweenthepipesandthesurroundingrock.Thecombinedload-bearingmechanismplaysavitalroleinensuringthestabilityandsafetyoftheburiedsteelpipes.
2.FactorsInfluencingtheCombinedLoad-BearingMechanism:
2.1GeotechnicalParameters:
Thegeotechnicalparameters,suchasthepropertiesofthesurroundingrock(e.g.,strength,stiffness)andthesoil/rockinterfacefriction,significantlyinfluencetheload-bearingcapacity.Thedeterminationoftheseparametersthroughfieldtestsandlaboratoryexperimentsiscrucialforaccuratelyanalyzingthecombinedload-bearingmechanism.
2.2PipeProperties:
Thepropertiesoftheburiedsteelpipes,includingtheirdiameter,wallthickness,material,andcorrosionresistance,affecttheirload-bearingcapacity.Additionally,thedesignparameters,suchastheburialdepthandpipealignment,shouldbeconsideredtooptimizetheload-bearingperformance.
2.3ExternalLoads:
Externalloads,suchassoiloverburden,trafficloads,andgroundwaterpressure,exertsignificantinfluenceontheload-bearingcapacityofburiedsteelpipes.Themagnitude,distribution,anddurationoftheseloadsshouldbeproperlyestimatedtoensurethesafetyandstabilityofthepipesystems.
3.LoadTransferMechanisms:
3.1DirectLoadTransfer:
Directloadtransferoccursthroughthebearingcapacityofthepipeitself.Theinteractionbetweenthe